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South Dakota Investment Council’s Westlake Corp WLK Stock Holding History

South Dakota Investment Council’s Portfolio WLK Stock Details WLK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.36M Hold
20,235
– – 0.05% 285
2025
Q4 		$1.5M Sell
20,235
-2,200
-10% -$157K 0.03% 353
2025
Q3 		$1.73M Buy
22,435
+300
+1% +$25K 0.03% 335
2025
Q2 		$1.68M Hold
22,135
– – 0.03% 355
2025
Q1 		$2.21M Hold
22,135
– – 0.05% 290
2024
Q4 		$2.54M Hold
22,135
– – 0.05% 275
2024
Q3 		$3.33M Hold
22,135
– – 0.07% 241
2024
Q2 		$3.21M Sell
22,135
-20
-0.1% -$3.07K 0.07% 237
2024
Q1 		$3.38M Sell
22,155
-2,000
-8% -$282K 0.07% 230
2023
Q4 		$3.38M Hold
24,155
– – 0.07% 244
2023
Q3 		$3.01M Buy
+24,155
New +$3.1M 0.07% 242

Other funds holding WLK

OAG
Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

South Dakota Investment Council's WLK Position: Q1 2026 in Review

South Dakota Investment Council held its Westlake Corp (WLK) position steady in Q1 2026 at 20,235 shares worth $2.36M. The position accounts for 0.05% of the portfolio, ranked #285.

South Dakota Investment Council first reported a position in WLK in Q3 2023 and has held it in 11 quarters since. The position peaked at $3.38M in Q1 2024. 337 funds tracked by Wall St. Rank hold WLK as of Q1 2026.

  • South Dakota Investment Council held 20,235 shares of Westlake Corp worth $2.36M as of Q1 2026.
  • South Dakota Investment Council left its Westlake Corp share count unchanged in Q1 2026.
  • Westlake Corp made up 0.05% of South Dakota Investment Council's portfolio in Q1 2026, its #285 holding.
  • South Dakota Investment Council first reported a position in Westlake Corp in Q3 2023 and has held it in 11 quarters since.
  • South Dakota Investment Council's Westlake Corp position peaked at $3.38M in Q1 2024.
  • 337 funds tracked by Wall St. Rank held Westlake Corp as of Q1 2026.

Based on South Dakota Investment Council's 13F filing for Q1 2026, filed 18 May 2026.